The list spotlights celebrities who support charitable causes and includes Lady Gaga and Justin Bieber, who take the number one and two spots, respectively; Leonardo DiCaprio; Matt Damon; Ellen DeGeneres; Brad Pitt and Angelina Jolie; Demi Lovato; Miley Cyrus; Will and Jada Pinkett Smith; George Clooney; and Taylor Swift, among others.
Michele, who has been seen on Broadway in Spring Awakening, is an advocate for PETA and is using her voice to ban horse-drawn carriages.
Radcliffe, who has also been seen on Broadway in Equus, supports The Trevor Project, an organization that offers suicide-prevention support to LGBT teens.
For more information, visit www.dosomething.org.